Waste | ρ (˚) | C (Mpa) | Wl (%) | WP (%) | IP (%) | Cc | Cs | σ’(P) (kPa) | VBM |
Coal mine waste rock [18] | 30 | 13 | 42 | 25 | 17 | 0.15 | 0.04 | 80 | 0.89 |
Phosphate mine waste rock [16] | 27 - 32.4 | 4 - 7 | 37 - 45 | 25 - 30 | 12 - 15 | - | - | - | 0.58 - 0.71 |